|
EP2S180F1508I4 Datasheet, PDF (149/238 Pages) Altera Corporation – Section I. Stratix II Device Family Data Sheet | |||
|
◁ |
DC & Switching Characteristics
Table 5â21. SSTL-2 Class I & II Differential Specifications
Symbol
Parameter
Conditions
VCCIO Output supply voltage
VSWING DC differential input voltage
(DC)
VX (AC) AC differential input cross
point voltage
VSWING AC differential input voltage
(AC)
VISO
Input clock signal offset
voltage
ÎVISO
Input clock signal offset
voltage variation
VOX
(AC)
AC differential output cross
point voltage
Minimum
2.375
0.36
(VCCIO/2) â 0.2
0.7
(VCCIO/2) â 0.2
Typical
2.500
0.5 Ã VCCIO
±200
Maximum Unit
2.625
V
V
(VCCIO/2) + 0.2 V
V
V
mV
(VCCIO/2) + 0.2 V
Table 5â22. 1.2-V HSTL Specifications
Symbol
Parameter
Conditions Minimum
Typical
Maximum Unit
VCCIO Output supply voltage
1.14
1.20
1.26
V
VR E F Reference voltage
0.48 Ã VC C I O 0.50 Ã VC C I O 0.52 Ã VC C I O
V
VIH (DC) High-level DC input voltage
VR E F + 0.08
VC C I O + 0.15
V
VIL (DC) Low-level DC input voltage
â0.15
VR E F â 0.08
V
VIH (AC) High-level AC input voltage
VR E F + 0.15
VC C I O + 0.24
V
VIL (AC) Low-level AC input voltage
â0.24
VR E F â 0.15
V
VOH
High-level output voltage IO H = 8 mA VR E F + 0.15
VC C I O + 0.15
V
VOL
Low-level output voltage IO H = â8 mA
â0.15
VR E F â 0.15
V
Altera Corporation
April 2011
5â13
Stratix II Device Handbook, Volume 1
|
▷ |